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Ask HN: Any good tutorial or books on how to build a web framework?

3 points by gazarullz ↗ HN
Hi, I am looking for some good tutorials or books on how to build a web framework from scratch, the platform of interest is the JVM and I would like to know more about basic concepts such as routing, filtering and how the request/response cycle is handled.

2 comments

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hawkweed
The best way would be to learn from one of the existing open source projects.

You can start with sparkjava: https://github.com/perwendel/spark/

Also, multi-threading, I/O and networking are areas that you would need to understand inside out.

brudgers
Most frameworks rise out of a specific set of practices and an effort to automate those practices. Which means that they are usually built bottom up rather than top down. Rails is a primary example where 37 Signals built a framework that automated away the all the plumbing it was doing job after job building applications.

The tendency toward bottom up development is probably a reason there are so many frameworks...everyone has different practices that need automating.